GPS-721-MRTU GPS Receiver
- QuickStart (Jan/2019)
ICP DAS USA, Inc.
| 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA
90717
3
2. Operation Modes
The back panel of the GPS-721-
MRTU contains the frame ground
and the INIT/Normal Switch. The
module has two operation modes
(INIT and Normal modes), which
can be determined via the switch
mechanism on the chassis. The
description and figure are as
follows.
Mode
Description
After setting the module to “INIT” mode and restarting the
module, a connection can be established using the default
module address and communication settings, allowing
new parameters for the module to be set.
INIT Mode:
INIT
Protocol: DCON
Module Address: 00
Communication Baud Rate: 9600bps
Checksum: Disabled
Note: The DCON command to set the address, the Baud
Rate and the checksum is %AANNTTCCFF. Refer to
section 2.1 for details.
Normal
In Normal mode, the module will operate based on the
user’s settings.
